EPHEMERID,*:. CLOEON, gCj 



Sp. 4. albipeniie? Nigrum, abdominis basi pallida, apice fusco, pedibus pallidis 

 geniculis nigricantibus j alis hyalinis. (Exp. Alar. 5^ lin. ; Long. corp. 3 lin. ; 

 1. set. 4 lin.) 



CI. dorsale. Steph. Catal. 307. No. 3406.— Ep. albipennis. Fabricius, E. S. 

 ii. 70} 



Black : abdomen pale at the base and diaphanouSj the apex fuscous ; filaments 

 very long, white, faintly dotted with fuscous ; legs pale, the tips of the 

 femora dusky ; wings hyaline^ colourless. 



Not uncommon near Hertford, in June, and occasional!)' found in 

 other parts of the metropolitan district. 



Sp. 5. unicolore. Rufescente-ochraceum, pedibus pallidioribus, setis albis imma- 

 culatis, alis hyalinis, costa versus apicein brunnescente. (Exp. Alar. 8 lin. ; 

 Long. corp. 4 lin. ; 1. set, 4 lin.) 



CI. obscurum. Steph. Catal. 307. No. 3404. — CI. unicolore. Curtis, Phil. 

 Mag. 1834. 



Reddish ochre : filaments pale ; legs pale ochreous ; wings hyaline^ nervures 

 reddish ochre; costa pale brown towards the tip. 



Taken in June, near Hertford. 



Sp. 6. cognatum. Piceo-rufum, abdominis basi pallidiore, pedibus setisque luridis, 

 his fusco pmictatis, alis hyalinis. (Exp. Alar. 9§ lin. ; Long. corp. 4 lin. ; 

 ]. set. 3 lin.) 



CI. cognatum. Steph. Catal. 307. No. 3407. 



Shining pale pitchy-red : eyes dusky ; abdomen rather palish towards the 

 base, the apex darker, filaments about the length of the insect, pale livid, 

 irregularly dotted with fuscous ; wings hyaline, the nervures very pale, the 

 three costal ones tinted with rose-colour. 



Found near London, in June. 



Sp. 7. diraidiatum. Castaneo-brunneum, collaris lateribus puncto ochraceo, 

 pedibus stramineis. (Exp. Alar. 7 — 82 lin.; Long. corp. 3 — 4 lin.; 1. set. 

 6—7 lin.) 



CI. consobrinum. Steph. Catal. 307. No. 3408. — Ba. dimidiatum. Curtis, 

 Phil. May. 1834. 



Chestnut-brown : collar with an ochreous dot on each side ; abdomen banded 

 with ochre, especially at the base ; filaments very long, white, more or less 

 minutely dotted with fuscous and black; legs pale straw-colour ; wings 

 hyaline, colourless, with very faint nervures. 



Pseudimago ashy-brown, with fainter rings at the base of the abdomen; 

 wings pale fuscous, with the costal nervures darker. 



Found near London, in June ; at Hertford, Dover, &c. 



